SUJ2 JIS high carbon chromium bearing steel, this product uses Japanese SUJ2 bearing special steel full hard place HRC58-61 with bearing abrasion resistance and enhanced thimble steel workability.

The flat tip can be directly processed and molded using a mold that is 2-3 times higher than SKD-61 (HRC52) full hardware.

SUJ2 application: cold rolling of steel ball roller bushings for general plastic mold automotive machine tool bearings.

Chemical composition
Carbon (C) 0.95-1.10,
SUJ2 bearing steel
SUJ2 bearing steel
Silicon (Si) 0.15-0.35,
Manganese (Mn) ≤ 0.50,
Phosphorus (P) ≤0.025,
Sulfur (S) ≤ 0.025,
Chromium (Cr) 1.30-1.60,
Molybdenum (Mo) ≤ 0.08,
Nickel (Ni) ≤ 0.25,
Copper (Cu)

Editing of mechanical properties
Tensile strength σb (MPa): 1617
Impact work Akv (J): 28
Hardness: 61 ~ 64HRC
Sample size: a sample

Requirements  Heat treatment
Heat treatment specifications: quenching at 850 ~ 860 ℃, oil cooling; tempering at 160 ℃ for 2h.
Metallographic structure: tempered martensite.

National Model
Standard number JIS G4805
Corresponding Chinese GB / JB label: GCr15
Corresponds to the American AISI label: L3
Corresponds to the American ASTM code: L3
Corresponding to German DIN steel number: 100Cr6
Corresponding German DIN material number: 1.2067
Corresponding ISO code: 100Cr2
Corresponding Taiwan CNS code: SUJ2
Corresponding British BS label: BL1 / BL3
Corresponds to the French AFNOR label: Y100C6 (NF)